Question

How do betting companies calculate odds?

Answer 1

Using Betting Odds to Calculate Probability 9/1 can be calculated as 1 / (9 + 1) = 0.10 – There is a 10% chance that the event will happen. 4/1 can be calculated as 1 / (4 + 1) = 0.20 – There is a 20% chance that the event will happen.